Ma e jiri ya tụnyere efere ígwè ọdịnala nke na-eguzogide iyi, oyi akwa ọrụ nke efere CCO wear nwere oke akụkụ nke ihe Cr na C (ọdịnaya Cr nkịtị 27-45%, ọdịnaya C 3-5%), nke nwere ike ịmepụta carbide M7C3 siri ike mgbe niile n'oge ọrụ, yana ike Mohs nke 58-65HRC, na-eme ka ikike iguzogide mmetụta na iyi na-amị amị dịkwuo mma nke ukwuu.

Ngwaahịa a na-akwado nhazi dịka eserese si dị, ọdịdị pụrụ iche ahaziri ahazi, oghere ndị e mere tupu oge eruo, ịgbagọ na ịgbado ọkụ, ọ dabara adaba maka ọtụtụ ihe owuwu dị mgbagwoju anya, dịka:

✓Ngwa mkpuchi ihe mkpuchi

✓ Ihe mkpuchi Crusher

✓ Ihe mkpuchi ihe eji ebufe ihe

✓ Yiri ihe mkpuchi maka wiilị bọket